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feat(runtime): 支持对象类型的组件创建

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- 在 vnode.ts 中引入 isObject 判断函数
- 修改 createVNode 函数支持对象类型组件的 shapeFlag 设置
- 更新 h-component.html 示例代码，使用 h 函数创建组件
- 新增 h-component-video-test.html 测试文件包含原始 vnode 创建方式
- 移除手动创建 vnode 对象的硬编码方式，统一使用 h 函数创建
This commit is contained in:
dj
2026-02-27 20:01:20 +08:00
parent 61edc322f2
commit 6aa564ef7c
3 changed files with 56 additions and 22 deletions
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14
packages/runtime-core/src/vnode.ts
View File

@@ -1,4 +1,10 @@
import { isArray, isFunction, isString, ShapeFlags } from '@vue/shared' import {
isArray,
isFunction,
isObject,
isString,
ShapeFlags
} from '@vue/shared'
export interface VNode { export interface VNode {
__v_isVNode: true __v_isVNode: true
@@ -11,7 +17,11 @@ export function isVNode(value): value is VNode {
return value ? value.__v_isVNode === true : false return value ? value.__v_isVNode === true : false
} }
export function createVNode(type, props, children): VNode { export function createVNode(type, props, children): VNode {
const shapeFlag = isString(type) ? ShapeFlags.ELEMENT : 0 const shapeFlag = isString(type)
? ShapeFlags.ELEMENT
: isObject(type)
? ShapeFlags.STATEFUL_COMPONENT
: 0
return createBaseVNode(type, props, children, shapeFlag) return createBaseVNode(type, props, children, shapeFlag)
} }

38
packages/vue/examples/runtime/h-component-video-test.html Normal file
View File

@@ -0,0 +1,38 @@
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Document</title>
<script src="../../dist/vue.js"></script>
</head>
<body>
<div id="app"></div>
</body>
<script>
const { h, render } = Vue
const component = {
render() {
// const vnode1=h('div','这是一个component')
// console.log(vnode1);
// return vnode1
//直接利用当前打印的vnode , 绕过h的渲染
return {
"__v_isVNode": true,
"type": 'div',
"children": '这是一个component',
"shapeFlag": 9
}
}
}
// const vnode2=h(component)
// console.log(vnode2);
const vnode2 = {
"__v_isVNode": true,
"shapeFlag": 4,
"type": component
}
render(vnode2, document.querySelector('#app'))
</script>
</html>

26
packages/vue/examples/runtime/h-component.html
View File

@@ -9,30 +9,16 @@
<div id="app"></div> <div id="app"></div>
</body> </body>
<script> <script>
const { h, render } = Vue const { h } = Vue
const component = { const component = {
render() { render() {
// const vnode1=h('div','这是一个component') const vnode1=h('div','这是一个component')
// console.log(vnode1); console.log(vnode1);
// return vnode1 return vnode1
//直接利用当前打印的vnode , 绕过h的渲染
return {
"__v_isVNode": true,
"type": 'div',
"children": '这是一个component',
"shapeFlag": 9
}
} }
} }
// const vnode2=h(component) const vnode2=h(component)
// console.log(vnode2); console.log(vnode2);
const vnode2 = {
"__v_isVNode": true,
"shapeFlag": 4,
"type": component
}
render(vnode2, document.querySelector('#app'))
</script> </script>
</html> </html>